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Chelsea sent three scouts to watch Brazilian attacking midfielder Jose Marcos Costa Martins during Atletico Mineiro’s win over Botafogo last Wednesday, according to The Sun.
The 20-year-old, who is known as Marquinhos, was forced off the pitch with a head injury after just 33 minutes of the 2-0 victory.
Chelsea scouts were supposed to watch him again for the final game of the season against Internacional but that has been scrapped due to the injury.
The report also claims Chelsea scouts had already run the rule over Marquinhos during Atletico Mineiro’s 2-1 win over Atletico Corinthians, where he played the full 90 minutes and registered an assist.
Marquinhos has scored once and provided three assists in 13 games since breaking into the senior team this year.
Manchester United and German outfit Eintracht Frankfurt are also keeping tabs on the talented youngster.